Some info: (I would have liked to put this in the first or second post)

Shakugan no SHANA (灼眼のシャナ) is a novel thats published under the seinen(young men's) label Dengeki Bunko.
For now there are 13 volumes released of this novel (volumes 1-12 and volume 0 which was released after volume 9), here are the covers:

These are volumes 1-9 of the seinen novel:

This is volume 0 of the seinen novel:

These are volumes 10, 11 and 12 of the seinen novel:

Author: Takahashi Yashichirou
Artist: Itou Noiji

A manga based on the novel is serialized in the seinen(young men's) manga magazine Dengeki Daioh.
For now there is one volume released of this manga.

Here is the cover of the seinen manga:

Genre: Seinen, Fantasy, Comedy, Drama

Shakugan no SHANA is a seinen novel/manga/anime.

An artbook by Itou Noiji:

Itou Noiji is the same illustrator of the seinen novel Suzumiya Haruhi which will also have an anime

Spoiler for Ep 11:

Looks like Shana got a little lesson about kissing from Yuuji's mummie. Alastor in all his wisdom got owned badly by a woman.